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1998 - delay locked loop verilog

Abstract: 100C CLK180 XAPP132 XAPP1
Text: CLK180 CLK270 CLK2X For this reason, for delay compensation and clock conditioning, choose the DLL , CLK180 This symbol does not provide access to the advanced clock domain controls or to the clock , , 1998 (Version 1.31) IBUFG I I BUFG CLKDLL O CLKIN CLKFB CLK0 CLK90 CLK180 , GCLKBUF1 GCLKPAD0 CLK90 CLK180 CLK270 DUTY_CYCLE_CORRECTION=TRUE CLK0 CLK90 CLK180 CLK270 , Cycle Correction Property The 1x clock outputs, CLK0, CLK90, CLK180 , and CLK270, use the duty cycle


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PDF XAPP132 delay locked loop verilog 100C CLK180 XAPP1
2002 - vhdl code for D Flipflop synchronous

Abstract: No abstract text available
Text: High. The clocks are shifted out of phase by the DCM (CLK0 and CLK180 outputs) or by the inverter , UNISIM.VCOMPONENTS.ALL; -pragma translate_on entity DDR_Output is Port( clk : in std_logic; -clk and clk180 can be outputs from the DCM or clk180 can be the clk180 : in std_logic; -logical inverse of clk (the inverter is , std_logic ); end component; begin U0: FDDRRSE port map ( Q => q, D0 => d0, D1 => d1, C0 => clk, C1 => clk180 , , clk180 , rst, set, ce); input d0, d1, clk, clk180 , rst, set, ce; output q; //Synchronous Output DDR


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PDF clk180, clk180) UG012 vhdl code for D Flipflop synchronous
2000 - digital clock notes

Abstract: CLK180 SRL16 XAPP174
Text: CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 CLK2X CLKDV RST LOCKED x132_04_111699 Figure 4 , CLKDLLHF CLKIN CLKFB CLK0 CLK180 CLKDV RST LOCKED x132_05_111699 Figure 5: High-frequency , CLKFB CLK0 CLK90 CLK180 CLK270 CLK2X CLKDV RST LOCKED x132_06_092099 Figure 6 , DUTY_CYCLE_CORRECTION=FALSE CLK0 CLK90 CLK180 CLK270 DUTY_CYCLE_CORRECTION=TRUE CLK0 CLK90 CLK180 CLK270 x132 , 1x clock outputs, CLK0, CLK90, CLK180 , and CLK270, use the duty cycle corrected default such that


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PDF XAPP174 CLK90 CLK180 CLK270 SRL16 digital clock notes CLK180 SRL16 XAPP174
2001 - vhdl code for D Flipflop synchronous

Abstract: vhdl code for flip-flop Single R-S-T Flip-Flop verilog code CLK180
Text: clocked in via Q0 and Q1 while CE is High. The clocks are shifted out of phase by the DCM (CLK0 and CLK180 , std_logic; -clk and clk180 can be outputs from the DCM or clk180 can be the clk180 : in std_logic , ); end component; begin U0: FDDRRSE port map ( Q => q, D0 => d0, D1 => d1, C0 => clk, C1 => clk180 , CE => ce, R => rst, S => set ); end behavioral; DDR_out.v module DDR_Output (d0 , d1, q, clk, clk180 , rst, set, ce); input d0, d1, clk, clk180 , rst, set, ce; output q; //Synchronous Output DDR


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PDF clk180, clk180) UG002 vhdl code for D Flipflop synchronous vhdl code for flip-flop Single R-S-T Flip-Flop verilog code CLK180
2000 - XAPP174

Abstract: CLK180 SRL16 x174-01
Text: CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 CLK2X CLKDV RST LOCKED x132_04_111699 Figure 4 , CLKDLLHF CLKIN CLKFB CLK0 CLK180 CLKDV RST LOCKED x132_05_111699 Figure 5: High-frequency , CLKFB CLK0 CLK90 CLK180 CLK270 CLK2X CLKDV RST LOCKED x132_06_092099 Figure 6 , DUTY_CYCLE_CORRECTION=FALSE CLK0 CLK90 CLK180 CLK270 DUTY_CYCLE_CORRECTION=TRUE CLK0 CLK90 CLK180 CLK270 x132 , 1x clock outputs, CLK0, CLK90, CLK180 , and CLK270, use the duty cycle corrected default such that


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PDF XAPP174 CLK90 CLK180 CLK270 SRL16 XAPP174 CLK180 SRL16 x174-01
2002 - vhdl code for loop filter of digital PLL

Abstract: vhdl code for Digital DLL vhdl code for All Digital PLL XAPP132 XAPP138 vhdl code for phase frequency detector vhdl code for phase shift free vhdl code for pll SRL16 CLK180
Text: _03_092499 Figure 3: Simplified DLL Macro Symbol BUFGDLL CLKDLL CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 , CLK180 CLKDV RST LOCKED x132_05_012400 Figure 5: High Frequency DLL Symbol CLKDLLHF BUFGDLL , sections. IBUFG BUFG CLKDLL I O CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 I O , CLK180 CLK270 DUTY_CYCLE_CORRECTION=TRUE CLK0 CLK90 CLK180 CLK270 x132_07_092599 Figure 7: DLL , , CLK90, CLK180 , and CLK270, use the duty cycle corrected default such that they exhibit a 50/50 duty


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PDF XAPP132 vhdl code for loop filter of digital PLL vhdl code for Digital DLL vhdl code for All Digital PLL XAPP132 XAPP138 vhdl code for phase frequency detector vhdl code for phase shift free vhdl code for pll SRL16 CLK180
2000 - XAPP132

Abstract: quartz delay line CLK180 SRL16
Text: Symbol BUFGDLL CLKDLL CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 CLK2X CLKDV RST LOCKED x132 , 1-800-255-7778 3 R Using the Virtex Delay-Locked Loop CLKDLLHF CLKIN CLKFB CLK0 CLK180 , CLKDLL I O CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 I O CLK2X CLKDV RST LOCKED , CLK0 CLK90 CLK180 CLK270 DUTY_CYCLE_CORRECTION=TRUE CLK0 CLK90 CLK180 CLK270 x132 , Property The 1x clock outputs, CLK0, CLK90, CLK180 , and CLK270, use the duty cycle corrected default such


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PDF XAPP132 XAPP132 com/pub/applications/xapp/xapp132 quartz delay line CLK180 SRL16
vhdl code for D Flipflop

Abstract: vhdl code for D Flipflop synchronous vhdl code for flip-flop clk180 UG002
Text: ; -pragma translate_on entity DDR_Output is Port( clk : in std_logic; -clk and clk180 can be outputs from the DCM or clk180 can be the clk180 : in std_logic; -logical inverse of clk (the inverter is , > clk, C1 => clk180 , CE => ce, R => rst, S => set ); 2 3 4 end behavioral; A DDR_out.v module DDR_Output (d0 , d1, q, clk, clk180 , rst, set, ce); B input d0, d1, clk, clk180 , rst , ), .D1(d1), .C0(clk), .C1( clk180 ), .CE(ce), .R(rst), .S(set), .Q(q) ); endmodule D Output


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PDF clk180, clk180) UG002 vhdl code for D Flipflop vhdl code for D Flipflop synchronous vhdl code for flip-flop clk180 UG002
2000 - SRL16

Abstract: XAPP132 CLK180 13100499
Text: Symbol BUFGDLL CLKDLL CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 CLK2X CLKDV RST LOCKED x132 , 1-800-255-7778 3 R CLKDLLHF CLKIN CLKFB CLK0 CLK180 CLKDV RST LOCKED x132 , CLK90 CLK180 CLK270 I O CLK2X CLKDV RST LOCKED xapp132_06_092099 Figure 6: BUFGDLL , CLKIN CLK2X CLKDV_DIVIDE=2 CLKDV DUTY_CYCLE_CORRECTION=FALSE CLK0 CLK90 CLK180 CLK270 DUTY_CYCLE_CORRECTION=TRUE CLK0 CLK90 CLK180 CLK270 x132_07_092599 Figure 7: DLL Output Characteristics The DLL


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PDF XAPP132 XAPP132 com/pub/applications/xapp/xapp132 SRL16 CLK180 13100499
1999 - XAPP174

Abstract: CLK180 SRL16 UG331 XAPP132 XAPP176
Text: _03_092499 Figure 3: Simplified DLL Macro Symbol BUFGDLL CLKDLL CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 , .2) June 16, 2008 www.xilinx.com 3 R CLKDLLHF CLKIN CLKFB CLK0 CLK180 CLKDV RST , bottom). IBUFG BUFG CLKDLL I O I CLKIN CLKFB O CLK0 CLK90 CLK180 CLK270 CLK2X , CLK0 CLK90 CLK180 CLK270 DUTY_CYCLE_CORRECTION=TRUE CLK0 CLK90 CLK180 CLK270 x132 , , CLK180 , and CLK270, use the duty cycle corrected default such that they exhibit a 50/50 duty cycle. The


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PDF XAPP174 DS001 DS077 XAPP174 XAPP132 UG331 CLK180 SRL16 XAPP176
2000 - Not Available

Abstract: No abstract text available
Text: PLL Multiplier and Quadrature Generation CLK0 CLK90 CLK180 CLK270 CLKFB S2:S0 3 Control , Mode Select Table Pin Assignment ICS672-01/02 ICLK CLK90 CLK180 CLK270 VDDIO GND GND S0 1 2 3 4 5 6 , CLK180 CLK270 VDDIO GND S0 S1 S2 VDD CLK0 FBCLK FBIN Type I O O O P P I I I P O O I Description Clock , input clock (ICLK). Phase shifts of 0° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270) are , from ICLK. ICLK CLK0, FBCLK CLK90 CLK180 CLK270 Figure 1. Phase alignment of input and output clocks


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PDF ICS672-01/02 ICS672-01) ICS672-02) ICS672-01 ICS672-02
2001 - Not Available

Abstract: No abstract text available
Text: CLKFB CLK0 CLK90 CLK180 CLK270 CLK2X CLKDV RST LOCKED x132_04_012400 Figure 4: Standard DLL , the Virtex Delay-Locked Loop CLKDLLHF CLKIN CLKFB CLK0 CLK180 CLKDV RST LOCKED x132 , described in the following sections. IBUFG CLKDLL I O CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 BUFG I O , DUTY_CYCLE_CORRECTION=FALSE CLK0 CLK90 CLK180 CLK270 DUTY_CYCLE_CORRECTION=TRUE CLK0 CLK90 CLK180 CLK270 x132 , 1x clock outputs, CLK0, CLK90, CLK180 , and CLK270, use the duty cycle corrected default such that


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PDF XAPP132 XAPP132 com/pub/applications/xapp/xapp132
2004 - 12-bit ADC interface vhdl code for FPGA

Abstract: 12-bit ADC interface vhdl complete code for FPGA verilog code for 8 bit shift register theory IPC-2141 VHDL code for high speed ADCs using SPI with FPGA ADC Verilog Implementation XAPP268 XAPP774 emif vhdl fpga XAPP623
Text: clock and is therefore fed into a DCM. This DCM generates two phase-aligned clocks, CLK0 and CLK180. , ) are clocked on the rising edge of CLK180. However, it is possible for the CLK180 edge to arrive first , CLK0 and CLK180 , respectively. 10 ADCLKP OUTP OUTN D11 D0 D1 D2 D3 Through , parallel register D4 11 10 9 9 8 8 CLK0 7 6 CLK180 5 4 D10 D8 D6 , 2 2 1 0 D9 D11 CLK180 3 1 CLK0 0 X774_10_022206 Figure 6: Even Bits


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PDF ADS527x XAPP774 ADS5273 12-bit 12-bit ADC interface vhdl code for FPGA 12-bit ADC interface vhdl complete code for FPGA verilog code for 8 bit shift register theory IPC-2141 VHDL code for high speed ADCs using SPI with FPGA ADC Verilog Implementation XAPP268 XAPP774 emif vhdl fpga XAPP623
2001 - vhdl code for Digital DLL

Abstract: vhdl code for DCM dcm verilog code
Text: (CLKIN=>CLKIN_w, CLKFB=>CLK2X_g, RST=>RESET_w, CLK0=>open, CLK90=>open, CLK180= >open, CLK270=>open, CLK2X , , CLKFB=>CLK4X_g, RST=>RESET4X, CLK0=>open, CLK90=>open, CLK180= >open, CLK270=>open, CLK2X=>CLK4X_dll , , CLK90, CLK180 , CLK270, CLK2X, CLKDV, LOCKED : out std_logic); end component; signal CLKIN_w, RESET_w , ); CLKDLL dll2x (.CLKIN(CLKIN_w), .CLKFB(CLK2X), .RST(RESET_w), .CLK0(), .CLK90(), . CLK180 (), .CLK270 , (.CLKIN(CLK2X), .CLKFB(CLK4X), .RST(RESET4X), .CLK0(), .CLK90(),. CLK180 (), .CLK270(), .CLK2X(CLK4X_dll


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PDF XAPP132" com/xapp/xapp132 CLKFX180 vhdl code for Digital DLL vhdl code for DCM dcm verilog code
2006 - CLK180

Abstract: ICS672-01 ICS672-02 672M-02LF
Text: VDDIO IN CLK0 PLL Multiplier and Quadrature Generation FBIN CLK90 CLK180 CLK270 , 16 FBIN CLK90 2 15 CLK180 3 CLK270 S2 S1 S0 Output Clocks FBCLK , Input 2 CLK90 Output Clock output (90° delayed from CLK0). 3 CLK180 Output Clock , ° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270) are provided, plus one feedback clock (FBCLK). , , FBCLK CLK90 CLK180 CLK270 Figure 1. Phase alignment of input and output clocks (x1 multiplier


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PDF ICS672-01/02 ICS672-01/02 ICS672-01 ICS672-02. CLK180 ICS672-01 ICS672-02 672M-02LF
2000 - CLK180

Abstract: ICS672-01 ICS672-02 ICS672M-01 ICS672M-01T
Text: IN FBIN CLK90 CLK180 CLK270 CLKFB S2:S0 3 Control Logic Power Down + Tri-State , Delay Buffer Pin Assignment Output Clock Mode Select Table ICS672-01/02 ICLK CLK90 CLK180 , Name ICLK CLK90 CLK180 CLK270 VDDIO GND S0 S1 S2 VDD CLK0 FBCLK FBIN Type I O O O , to the input clock (ICLK). Phase shifts of 0° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270 , has a 0° phase shift from ICLK. ICLK CLK0, FBCLK CLK90 CLK180 CLK270 Figure 1. Phase


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PDF ICS672-01/02 ICS672-01 ICS672-02 ICS672-02. ICS672-01) ICS672-02) CLK180 ICS672M-01 ICS672M-01T
2001 - CLK180

Abstract: ICS672-01 ICS672-02 ICS672M-01 ICS672M-01T CLK270
Text: PLL Multiplier and Quadrature Generation IN FBIN CLK90 CLK180 CLK270 CLKFB S2:S0 3 , ICLK 1 16 FBIN CLK90 2 15 FBCLK CLK180 3 14 CLK0 CLK270 4 13 , Descriptions Number 1 2 3 4 5 6, 7, 12 8 9 10 11, 13 14 15 16 Name ICLK CLK90 CLK180 , Phase shifts of 0° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270) are provided, plus one feedback , CLK0, FBCLK CLK90 CLK180 CLK270 Figure 1. Phase alignment of input and output clocks. (x1


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PDF ICS672-01/02 ICS672-01 ICS672-02 ICS672-02. ICS672-01) ICS672-02) CLK180 ICS672M-01 ICS672M-01T CLK270
1999 - CLK180

Abstract: ICS672-01 ICS672-02 ICS672M-01 ICS672M-01T
Text: 2 3 VDDIO IN CLK0 PLL Multiplier and Quadrature Generation FBIN CLK90 CLK180 , 1 x0.5 ICLK 1 16 FBIN CLK90 2 15 CLK180 3 CLK270 Pin , Output Clock output (90° delayed from CLK0). 3 CLK180 Output Clock output (180° delayed from , to the input clock (ICLK). Phase shifts of 0° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270 , has a 0° phase shift from ICLK. ICLK CLK0, FBCLK CLK90 CLK180 CLK270 Figure 1. Phase


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PDF ICS672-01/02 ICS672-01/02 ICS672-01 ICS672-02. CLK180 ICS672-02 ICS672M-01 ICS672M-01T
2003 - XAPP259

Abstract: XC2V6000-ff1152 XAPP268 XAPP253 XC2V1000-5FF896 XC2V1000 XC2V6000-5FF1152 XAPP225 LVCMOS25 CLK180
Text: observed when CLK0 and CLK180 (or CLK90 and CLK270) outputs of the DCM (and two BUFGs) are used to clock , 0 1 D0 Q D1 CLK0 CLK180 FF DCM 0 1 D0 Q D1 x259_14_042303 Figure 4 , , when a DCM in source-synchronous mode (and both CLK0 and CLK180 are used for DDR applications) and , . If local clock inversion in the IOB is used as opposed to CLK0 and CLK180 , an additional 90 ps , (Tsamp) is 500 ps. Clock Source DCM Data Source CLK0 CLK180 CLKFB FF D Q x259


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PDF XAPP259 CLK90, CLK180, CLK270, CLKFX180 XAPP259 XC2V6000-ff1152 XAPP268 XAPP253 XC2V1000-5FF896 XC2V1000 XC2V6000-5FF1152 XAPP225 LVCMOS25 CLK180
2006 - CLK180

Abstract: ICS672-01 ICS672-02 ICS672M-01 ICS672M-01T
Text: CLK90 CLK180 CLK270 CLKFB S2:S0 3 Control Logic Power Down plus Tri-state External , Mode Select Table ICLK 1 16 FBIN CLK90 2 15 CLK180 3 CLK270 S2 S1 , 3 CLK180 Output Clock output (180° delayed from CLK0). 4 CLK270 Output Clock , to the input clock (ICLK). Phase shifts of 0° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270 , has a 0° phase shift from ICLK. ICLK CLK0, FBCLK CLK90 CLK180 CLK270 Figure 1. Phase


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PDF ICS672-01/02 ICS672-01/02 ICS672-01 ICS672-02. FBCLK800 199707558G CLK180 ICS672-01 ICS672-02 ICS672M-01 ICS672M-01T
2006 - CLK180

Abstract: ICS672-01 ICS672-02
Text: CLK90 CLK180 CLK270 CLKFB S2:S0 3 Control Logic Power Down plus Tri-state External , Mode Select Table ICLK 1 16 FBIN CLK90 2 15 CLK180 3 CLK270 S2 S1 , 3 CLK180 Output Clock output (180° delayed from CLK0). 4 CLK270 Output Clock , to the input clock (ICLK). Phase shifts of 0° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270 , has a 0° phase shift from ICLK. ICLK CLK0, FBCLK CLK90 CLK180 CLK270 Figure 1. Phase


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PDF ICS672-01/02 ICS672-01/02 ICS672-01 ICS672-02. CLK180 ICS672-01 ICS672-02
1999 - Not Available

Abstract: No abstract text available
Text: VDD GND VDDIO 2 IN PLL Multiplier and Quadrature Generation 3 CLK0 CLK90 CLK180 CLK270 CLKFB , BUFFER Pin Assignment ICLK CLK90 CLK180 CLK270 VDDIO GND GND S0 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 , .5 Pin Descriptions Pin Number 1 2 3 4 5 6, 7, 12 8 9 10 11, 13 14 15 16 Pin Name ICLK CLK90 CLK180 , shifts of 0° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270) are provided, plus one feedback clock , CLK90 CLK180 CLK270 Figure 1. Phase alignment of input and output clocks (x1 multiplier) ICLK CLK0


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PDF ICS672-01/02 ICS672-01/02 ICS672-01 ICS672-02.
2006 - quadrac

Abstract: CLK180 ICS672-01 ICS672-02 ICS672M-01 ICS672M-01T ICS672M02LF
Text: CLK90 CLK180 CLK270 CLKFB S2:S0 3 Control Logic Power Down plus Tri-state External , Mode Select Table ICLK 1 16 FBIN CLK90 2 15 CLK180 3 CLK270 S2 S1 , 3 CLK180 Output Clock output (180° delayed from CLK0). 4 CLK270 Output Clock , to the input clock (ICLK). Phase shifts of 0° (CLK0), 90° (CLK90), 180° ( CLK180 ), and 270° (CLK270 , has a 0° phase shift from ICLK. ICLK CLK0, FBCLK CLK90 CLK180 CLK270 Figure 1. Phase


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PDF ICS672-01/02 ICS672-01/02 ICS672-01 ICS672-02. 199707558G quadrac CLK180 ICS672-01 ICS672-02 ICS672M-01 ICS672M-01T ICS672M02LF
2002 - vhdl code for phase frequency detector

Abstract: vhdl code for multiplexer 64 to 1 using 8 to 1 vhdl code for DCM vhdl code for Digital DLL
Text: the DLL are the CLK0, CLK180 , CLKDV, and LOCKED. (CLK90, CLK270, CLK2X, and CLK2X180 are not available , Cycle Correction The 1x clock outputs, CLK0, CLK90, CLK180 , and CLK270, use the duty cycle corrected , fine-grained phase shifting. The CLK0, CLK90, CLK180 , and CLK270 outputs are each phase shifted by ¼ of the , CLKIN CLKFB CLK0 CLK90 CLK180 CLK270 CLK2X CLK2X180 CLKDV CLKFX CLKFX180 PSINCDEC LOCKED PSEN PSCLK , phase-shifted versions of the CLK0 signal (CLK90, CLK180 , and CLK270), whereas in high-frequency mode, only the


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PDF UG012 vhdl code for phase frequency detector vhdl code for multiplexer 64 to 1 using 8 to 1 vhdl code for DCM vhdl code for Digital DLL
2004 - MT47H16M16FG

Abstract: XAPP678 MT47H16M16FG-37E XAPP678C MT47H16M16FG-37E IT DDR2 sstl_18 class XAPP688 XAPP549 DDR2 SDRAM sstl_18 MT47H16M16
Text: asserting the init_val signal. The init_val signal is asserted on a rising edge of clk180. 4. After , on a rising edge of clk180. Users should wait for this signal before proceeding to the next step , user_cmd_ack signal on a rising edge of clk180. 3. The first user_input_address should be placed along with , asserts the user_cmd_ack signal in response to the read command on the rising edge of clk180. After two , user_cmd_ack signal on a rising edge of clk180. 3. Two and half clocks after user_cmd_ack, the next memory


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PDF XAPP549 72-bit MT47H16M16FG-37E, com/pdf/datasheets/dram/ddr2/256MbDDR2 mig007 MT47H16M16FG XAPP678 MT47H16M16FG-37E XAPP678C MT47H16M16FG-37E IT DDR2 sstl_18 class XAPP688 XAPP549 DDR2 SDRAM sstl_18 MT47H16M16
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